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i'm looking to try some NOS rectifier tubes in my Mark V. the stock Mesa 5U4GB has nice sag, but i would like more if i can get it. i don't want anything stiff-sounding. i've read people digging the NOS Tung-Sol 5U4GB, but i can't find anyone comparing some of the different NOS brands of...

FS: Custom Audio Amplifiers/Suhr OD50 SE+ head, updated and custom modded by CAA. Sold.

FS: four Tung-Sol Reissue preamp tubes. High-gain, super-low noise tube that a lot of people really dig. Doug of Doug's Tubes recommends these for V1 in Mark series amps. Less than 10 hours on them--I bought them to brighten up a Class A high-gainer I had but then sold. Tube places are...

has anyone tried KT77 power tubes in a Mark V? they sound like a cross between a 6L6 and an EL34, and they bias like an EL34. i love them in my Bogner. i've experimented with two 6L6 and two EL34, but i'd rather run all four of the same type of tube. anyone?

SOLD For Sale: a pair of Carvin 12" British-Series guitar speakers.

For Sale: Celestion Classic Lead 80 and G12H30 12" Speakers. Both are 16 ohms. They sound great in a 2x12 together--the G12H has nice mids and a deep low end, and the CL80 has tight bass and good definition in the mids and highs. In excellent condition--only about 50 hours playing time on...

SOLD -- thanks. For Sale: JAN GE 5751 NOS Preamp Tube. 12AX7 substitute with slightly lower gain, which some people love for the V1 position in high-gain amp like a Mark series. From NOS military stock made in the 80s; I bought it selected and tested from one of those online tube stores. In...

Mesa/Boogie 20:20 Tube Power Amp. One rack-space stereo power amp. Two pairs of EL-84 power tubes wired for "Dyna-Watt power" sounds way louder than you'd expect from only 20 watts--it's plenty enough for all but the largest rooms, and it gets a really sweet tone when turned up. In...

Sold! For Sale: Boogie Black Shadow MC90 12" speaker, made by Celestion. 8 ohms. Was stock in a DC-5 combo so it has normal minor scuffs on the metal, but it is in very good used condition. Here's a pic: $49 plus shipping (which in the U.S. would be $20). Boogie sells these new for $135...

For Sale: Triaxis preamp. It's V2.0 but before the Phat Mod that changed the Rectifier mode. It's loaded with Groove Tubes that aren't new but still have plenty of life in them. In very good used condition--some rack rash and rack-screw marks, but works great. Here are some pics: $949...

i'm trying to reduce the sizzly high-end on the high gain channels in my Mark V. i like thick high-gain sounds, but the stock JJ preamp tubes were too bright for me. i've put a Tung Sol reissue in V1. i've tried several tubes in V3: JJ 83S (too bright, probably since it's the same tube as...

FS: Peavey Rock Master tube guitar preamp. Three channels, four 12AX7 tubes, eight stages of gain and input/output buffering. Clean, Crunch, and Ultra channels. Five FX loops for tons of flexibility in patching your FX on single channels or multiple channels. This preamp was the original design...

FS: Mesa/Boogie 50/50 50-watt stereo rack power amp. Two channels, 50 watts each. Two rack spaces, four 6L6 tubes. A half-power switch for running at lower volumes. Great tube power with tons of low end. This unit is an older one that was modded to include the Deep Mod, the change to the...

i played a RK II again today, in a local store. last time i bypassed the Loop and Ouput/Solo controls and used the channel Masters to control the volume. this time i cut on the Loop & Output, and the tone got thin and lower volume, with no low end. when i turned the output knob, the tone...

Rocktron Voodu Valve tube guitar preamp with effects. Preamp uses a 12AX7 tube to generate real analog amp tones. Adjustable preamp parameters include input gain, distortion gain, pre-distortion EQ, and post-distortion EQ. The pre-distortion EQ allows tremendous flexibility in dialing in your...

Peavey Rock Master Tube Guitar Preamp. Three channels, four 12AX7 tubes, eight stages of gain and input/output buffering. Clean, Crunch, and Ultra channels. Five FX loops for tons of flexibility in patching your FX on single channels or multiple channels. This preamp was the original design...

hello all- i'm a long-time Boogie power amp user, really glad to have found this forum. i'm considering replacing my rack with a Roadster or a Series II Road King. i played a RK II combo for an hour this morning. the clean channels sounded great, but i couldn't dial in the dirty channels. i...